1 ; RUN: opt < %s -dfsan -verify -dfsan-args-abi -S | FileCheck %s 2 target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64-S128" 3 4 ; CHECK-LABEL: @"dfs$unreachable_bb1" 5 define i8 @unreachable_bb1() { 6 ; CHECK: ret { i8, i16 } { i8 1, i16 0 } 7 ; CHECK-NOT: bb2: 8 ; CHECK-NOT: bb3: 9 ; CHECK-NOT: bb4: 10 ret i8 1 11 12 bb2: 13 ret i8 2 14 15 bb3: 16 br label %bb4 17 18 bb4: 19 br label %bb3 20 } 21 22 declare void @abort() noreturn 23 24 ; CHECK-LABEL: @"dfs$unreachable_bb2" 25 define i8 @unreachable_bb2() { 26 call void @abort() noreturn 27 ; CHECK-NOT: i8 12 28 ; CHECK: unreachable 29 ret i8 12 30 } 31